:root {
  --midnight-navy: #0b1220;
  --ice-blue: #3b82f6;
  --aqua-mint: #5eead4;
  --soft-fog: #f1f5f9;
  --coral-pulse: #fb7185;
  --soft-magenta: #ec4899;
  --sunset-orange: #f97316;
  --sunrise-yellow: #facc15;

  --bg: var(--midnight-navy);
  --surface: rgba(15, 26, 49, 0.78);
  --surface-2: rgba(20, 34, 62, 0.68);
  --text: #f8fbff;
  --muted: #9fb1cb;
  --border: rgba(148, 175, 216, 0.2);
  --shadow: 0 18px 35px rgba(3, 8, 20, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% -5%, #1a3a78 0%, var(--bg) 45%) fixed;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 8% 14%, rgba(251, 113, 133, 0.75) 0 5px, transparent 6px),
    radial-gradient(circle at 89% 16%, rgba(94, 234, 212, 0.7) 0 6px, transparent 7px),
    radial-gradient(circle at 71% 10%, rgba(250, 204, 21, 0.7) 0 5px, transparent 6px),
    radial-gradient(circle at 81% 72%, rgba(249, 115, 22, 0.65) 0 4px, transparent 5px),
    radial-gradient(circle at 7% 82%, rgba(236, 72, 153, 0.55) 0 5px, transparent 6px),
    radial-gradient(circle at 56% 86%, rgba(59, 130, 246, 0.65) 0 4px, transparent 5px),
    radial-gradient(circle at 16% 54%, rgba(94, 234, 212, 0.45) 0 4px, transparent 5px),
    radial-gradient(circle at 94% 47%, rgba(167, 139, 250, 0.55) 0 6px, transparent 7px);
}

a {
  color: var(--aqua-mint);
}

.container {
  width: min(980px, 92%);
  margin: 0 auto;
}

header {
  padding: 1.25rem 0 0.3rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-logo {
  display: block;
  width: auto;
  height: 2.25rem;
  max-width: 11.5rem;
  object-fit: contain;
}

main {
  padding: 1.2rem 0 2.5rem;
}

.card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
  padding: 1.25rem;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 1.14;
  margin: 0 0 0.8rem;
}

h2 {
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  font-size: clamp(1.2rem, 2.6vw, 1.4rem);
}

p {
  margin: 0.75rem 0;
  color: var(--muted);
}

.hero {
  display: grid;
  gap: 1rem;
}

.cta-row {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
}

.btn {
  display: inline-block;
  border-radius: 14px;
  padding: 0.74rem 1.05rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--coral-pulse);
  color: #fff;
  box-shadow: 0 8px 20px rgba(251, 113, 133, 0.38);
}

.btn-primary:hover {
  background: #f95f76;
}

.btn-secondary {
  background: rgba(18, 33, 59, 0.68);
  color: #d7e5ff;
  border-color: rgba(94, 234, 212, 0.4);
}

.feature-grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.8rem;
}

.feature-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.95rem;
  background: rgba(12, 23, 45, 0.74);
}

.feature-item strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #ecf4ff;
}

.phone-mock {
  width: min(300px, 100%);
  margin: 1rem auto 0;
  border-radius: 24px;
  border: 1px solid rgba(148, 175, 216, 0.26);
  padding: 0.75rem;
  background: rgba(10, 21, 42, 0.92);
}

.app-shot {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top;
  border-radius: 16px;
  border: 1px solid rgba(132, 160, 203, 0.22);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.34);
}

.shot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}

ul,
ol {
  padding-left: 1.2rem;
  color: var(--muted);
}

li + li {
  margin-top: 0.4rem;
}

li strong {
  color: #d8e8ff;
}

.meta {
  color: #8da4c7;
  font-size: 0.95rem;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding: 1.1rem 0 1.7rem;
  color: #8da4c7;
  font-size: 0.95rem;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

footer nav a {
  color: #d8e8ff;
}

@media (min-width: 760px) {
  .hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}